-10.09% is the change from 902 to 811
Calculation steps:
[( 811 - 902 ) ÷ 902] x 100 = -10.09%
Formula
Percentage change = [(811 - 902) / 902] x 100
Subtract the new number by the original number
811 - 902 = -91
-91 ÷ 902 = -0.1008869179600887
-0.1008869179600887 x 100 = -10.09%